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Home > Chimney Pipe & Liners > Gas Vent Pipe > DirectVent Pro Vent Pipe > Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector

Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector

For extra large installations use this Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector to connect sections of DirectVent Pro Aluminum Chimney Liner together.

Applications - DirectVent Pro is a unitized, coaxial venting system designed for use with direct vent gas or propane stoves, heaters, and fireplaces.

Materials and Construction - .020” aluminum inner wall. .018” galvanized steel outer wall. Painted outer walls made of laser-welded .018” galvalume steel. Outer pipe brings combustion air to the appliance. Inner pipe exhausts flue gases to the outside. Gaskets or sealants not required (unless specified by the appliance manufacturer).

Clearances - Specified by the appliance manufacturer.

Listings - DirectVent Pro, in combination with the gas appliance, has been tested and listed as a decorative gas appliance system or as a direct vent heater system by a major testing agency, such as UL, CSA, Warnock Hersey, or OMNI.



  • Connects lengths of 3" or 4" aluminum liner together
  • For use with Dura-Vent liners


Download Manual (PDF)
Download Fireplace Installation Manual (PDF)
Download Gas Appliance & Heater Installation Manual (PDF)

Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector

Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector
#CPF-688-FLEXCONN
Choose DiameterRegular price:Sale price:
68800 3-Inch $5.99$4.95
68825 4-Inch $6.99$5.95
You Save: $1.04 (17%)
* Usually Ships Same Business Day.






DirectVent Pro Installation Guide
DirectVent Pro Installation Guide

Directvent Pro Vent Pipe Requirements & Tips
Directvent Pro Vent Pipe Requirements & Tips

DirectVent Pro Vent Pipe
DirectVent Pro Vent Pipe





DirectVent Pro Vent Pipe Lengths
DirectVent Pro Vent Pipe Transition Components
DirectVent Pro Vent Pipe Elbows
DirectVent Pro Vent Pipe Lengths

DirectVent Pro Vent Pipe Transition Components

DirectVent Pro Vent Pipe Elbows

DirectVent Pro Vent Pipe Extra Support
DirectVent Pro Vent Pipe Wall Thimbles
DirectVent Pro Vent Pipe Attic Space - 2nd Floor
DirectVent Pro Vent Pipe Extra Support

DirectVent Pro Vent Pipe Wall Thimbles

DirectVent Pro Vent Pipe Attic Space - 2nd Floor

DirectVent Pro Vent Pipe Above The Roof & Termination Components
4 Inch Gas Vent Pipe
5 Inch Gas Vent Pipe
DirectVent Pro Vent Pipe Above The Roof & Termination Components

4 Inch Gas Vent Pipe

5 Inch Gas Vent Pipe

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Home > Chimney Pipe & Liners > Gas Vent Pipe > DirectVent Pro Vent Pipe > Dura-Vent DirectVent Pro Aluminum Chimney Liner Connector
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